package com.king.configuration;

import com.king.constant.ResponseStatus;
import com.king.pojo.vo.AjaxResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindException;
import org.springframework.validation.FieldError;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/**
 * 全局异常处理器
 *
 * @author liukai
 */
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(RuntimeException.class)
    public AjaxResult badClientCredentials(RuntimeException exception) {
        log.error("运行时异常:", exception);
        return new AjaxResult(ResponseStatus.SERVER_ERROR, "运行时异常:" + exception.getMessage());
    }


    @ExceptionHandler(BindException.class)
    public AjaxResult bindException(BindException exception) {
        FieldError fieldError = exception.getBindingResult().getFieldError();
        log.error(fieldError.getField() + ":" + fieldError.getDefaultMessage());
        return new AjaxResult(ResponseStatus.REQUEST_VALIDATOR_FAIL, "参数校验失败:" + fieldError.getDefaultMessage());
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public AjaxResult methodArgumentNotValidException(MethodArgumentNotValidException exception) {
        FieldError fieldError = exception.getBindingResult().getFieldError();
        log.error(fieldError.getField() + ":" + fieldError.getDefaultMessage());
        return new AjaxResult(ResponseStatus.REQUEST_VALIDATOR_FAIL, "参数校验失败:" + fieldError.getDefaultMessage());
    }

    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    public AjaxResult httpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException exception) {
        log.error(exception.getMessage(), exception);
        return new AjaxResult(ResponseStatus.METHOD_NOT_ALLOWED, "不支持':" + exception.getMethod() + "'请求");
    }


    /**
     * 权限校验失败 如果请求为ajax返回json，普通请求跳转页面
     */
//    @ExceptionHandler(AuthorizationException.class)
//    public Object handleAuthorizationException(HttpServletRequest request, AuthorizationException e) {
//        log.error(e.getMessage(), e);
//        if (ServletUtils.isAjaxRequest(request)) {
//            return AjaxResult.error(PermissionUtils.getMsg(e.getMessage()));
//        } else {
//            ModelAndView modelAndView = new ModelAndView();
//            modelAndView.setViewName("error/unauth");
//            return modelAndView;
//        }
//    }


    /**
     * 系统异常
     */
//    @ExceptionHandler(Exception.class)
//    public AjaxResult handleException(Exception e) {
//        log.error(e.getMessage(), e);
//        return AjaxResult.error("服务器错误，请联系管理员");
//    }

    /**
     * 业务异常
     */
//    @ExceptionHandler(BusinessException.class)
//    public Object businessException(HttpServletRequest request, BusinessException e) {
//        log.error(e.getMessage(), e);
//        if (ServletUtils.isAjaxRequest(request)) {
//            return AjaxResult.error(e.getMessage());
//        } else {
//            ModelAndView modelAndView = new ModelAndView();
//            modelAndView.addObject("errorMessage", e.getMessage());
//            modelAndView.setViewName("error/business");
//            return modelAndView;
//        }
//    }

    /**
     * 自定义验证异常
     */
//    @ExceptionHandler(BindException.class)
//    public AjaxResult validatedBindException(BindException e) {
//        log.error(e.getMessage(), e);
//        String message = e.getAllErrors().get(0).getDefaultMessage();
//        return AjaxResult.error(message);
//    }

    /**
     * 演示模式异常
     */
//    @ExceptionHandler(DemoModeException.class)
//    public AjaxResult demoModeException(DemoModeException e) {
//        return AjaxResult.error("演示模式，不允许操作");
//    }
}
